On 2–3 October 2025, Chernihiv Polytechnic National University hosted the international scientific and practical conference ‘Free and Open-Source Software in Education, Science and Business (FOSS 2025)’. For safety reasons, the event was held online. Over 100 participants took part in the conference 100 Some of the performances will be available on the university’s YouTube channel shortly..
On the first day, participants heard presentations from leading experts in the open-source software community, including:
- Alkin Tezuysal (Director of Services, Altinity Inc.) — From Source Code to Source of Truth: 30 Years of Open Source Database Evolution
- Mykola Marzhan (Director of Engineering, Canonical / Ubuntu) — Is your database ready?
- Andrii Kosachenko (CTO, PortaOne Inc.) — Geo-distributed OLTP: promises scale however latency defines reality
- Zsolt Parragi (Staff Software Engineer, Percona) — TDE as an Extension. A Different Path for PostgreSQL Encryption
- Yevhen Patlan (Engineering Manager, Percona) — SBOMs: From Compliance to Confidence in Software Supply Chains
- Artem Mylytsia (Software Engineer, Grammarly) — Observability: Keeping IT Systems Under Control
The speakers shared practical insights on the evolution of open-source databases, software supply chain security, infrastructure observability, and the development of modern data and AI platforms.
The second day of the conference was devoted to presentations by students and members of the academic community. Over 30 abstracts were submitted 30 The best papers were selected and presented online in the form of section presentations. Topics included:
- Klochko Konstiantyn — Experience in managing our own servers in the cloud and in an on-premises data centre
- Hryshchenko Anna — GitHub and GitLab as tools for project management and developer coordination
- Mishchenko Maksym — An investigation into the energy consumption and performance of an experimental version of CPython 3.13 with the JIT compiler enabled and the GIL disabled
- Korbach Dmytro — Designing the architecture of a virtual teaching laboratory
The conference took place in a very positive, friendly atmosphere. Participants engaged enthusiastically and willingly in the discussions and debates. Despite power cuts and internet outages, we managed to hold a truly international event that brought together the professional IT community, students and the academic community around the ideas of open-source software.
We would like to thank all the speakers, participants and partners for their active involvement and insightful discussions. Special thanks go to the technical teams and volunteers for their support in making the online event a success.
The event took place as part of the WIN-WIN EDIH project. It is co-funded by the European Union. The views and opinions expressed are those of the author(s) alone and do not necessarily reflect the position of the European Union or the European Commission. The European Union and the European Commission accept no responsibility for any use that may be made of this information. The WIN-WIN EDIH project has received funding under the Digital Europe Programme through grant agreement No 101191647.